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32-B1177 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The NIPPLE,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: PLAIN (TUBE) ALL ENDS, style_designator: CLOSE, nominal_thread_size: 0.812 INCHES ALL ENDS IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-370-1290, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
32-B1177
NSN: 4730-01-370-1290
FSC: 4730
CAGE: 28953 — RIX INDUSTRIES (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_stylePLAIN (TUBE) ALL ENDS
style_designatorCLOSE
nominal_thread_size0.812 INCHES ALL ENDS IN
nominal_overall_length1.500 INCHES IN
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) ALL ENDS
nominal_outside_diameter_tube_accommodated0.500 INCHES ALL ENDS IN
NSN4730-01-370-1290
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 32-B1177 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) ALL ENDS
•
STYLE DESIGNATOR: CLOSE
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES ALL ENDS IN
•
THREAD CLASS: 3A ALL ENDS A
•
NOMINAL OVERALL LENGTH: 1.500 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
CONNECTION STYLE: PLAIN (TUBE) ALL ENDS
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) ALL ENDS
STYLE DESIGNATORCLOSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES ALL ENDS IN
THREAD CLASS3A ALL ENDS A
NOMINAL OVERALL LENGTH1.500 INCHES IN
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLEPLAIN (TUBE) ALL ENDS
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.812 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
10555-002Interchangeable
interchangeable cross-reference
interchangeable
FS4002Interchangeable
interchangeable cross-reference
interchangeable
SILASTIC732RTVBLACKInterchangeable
interchangeable cross-reference
interchangeable
B1177Interchangeable
interchangeable cross-reference
interchangeable
7420623-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 32-B1177?
32-B1177 is a NIPPLE,TUBE.
What parts can replace 32-B1177?
There are 5 known substitutes for 32-B1177: 10555-002, FS4002, SILASTIC732RTVBLACK and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 32-B1177?
32-B1177 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-370-1290. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026